{"cve":"CVE-2021-47194","nvd":{"published":"2024-04-10T19:15:47.807","modified":"2026-08-04T10:16:51.750","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncfg80211: call cfg80211_stop_ap when switch from P2P_GO type\n\nIf the userspace tools switch from NL80211_IFTYPE_P2P_GO to\nNL80211_IFTYPE_ADHOC via send_msg(NL80211_CMD_SET_INTERFACE), it\ndoes not call the cleanup cfg80211_stop_ap(), this leads to the\ninitialization of in-use data. For example, this path re-init the\nsdata->assigned_chanctx_list while it is still an element of\nassigned_vifs list, and makes that linked list corrupt.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-665"],"references":["https://git.kernel.org/stable/c/0738cdb636c21ab552eaecf905efa4a6070e3ebc","https://git.kernel.org/stable/c/4e458abbb4a523f1413bfe15c079cf4e24c15b21","https://git.kernel.org/stable/c/52affc201fc22a1ab9a59ef0ed641a9adfcb8d13","https://git.kernel.org/stable/c/563fbefed46ae4c1f70cffb8eb54c02df480b2c2","https://git.kernel.org/stable/c/5a9b671c8d74a3e1b999e7a0c7f366079bcc93dd"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:48:32.179249784+00:00"},"epss":{"cve":"CVE-2021-47194","score":0.00251,"percentile":0.16575,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}